The duo are going to join up with their respective national teams later in the week.
But both are carrying injuries, and it is unclear how much they will play.
Rashford and Lindelof were involved in United's 3-1 win at Goodison Park against Everton on Saturday in the Premier League.
The specifics of their injuries are not revealed, but neither is thought to be a long term issue.
United did confirm left back Luke Shaw is out for six weeks with a hamstring injury.
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